Gimnyeong Beach Guide: Swimming, Parking, Snorkeling & Northeast Jeju Travel Tips

Gimnyeong Beach is a white sand beach edged with dark lava rock on Jeju's northeast coast, and it fits a one or two hour stop, not a full day. You can visit the coast at any time of year, but swimming belongs to the official summer season.

Three questions decide the visit: whether you want to swim or just see the coast, which month you are coming, and how you are getting there. This page keeps beach access apart from swimming, because the two are not the same thing.

Quick answer

Is Gimnyeong Beach worth a visit?

Yes, if you want an open beach on the northeast coast and you are already driving along it. It pairs naturally with a nearby beach or cave stop.

Gimnyeong Beach vs Gimnyeong Seongsegi Beach: are they the same place?

They are the same beach: Visit Jeju lists it as Gimnyeong Beach, 김녕해수욕장, and gives Seongsegi as the alias. Korea Tourism Organization photo records use the name 김녕성세기해변 for the same shore.

Seongsegi is a place name that Visit Jeju describes as meaning a small fortress built to defend against foreign invasions. I use Gimnyeong Beach throughout, because that is the name most travelers search and most maps show.

Search for 김녕해수욕장 in your map app. Check that the pin sits on the shore and not on a business or a campground entrance.

Where it is

Gimnyeong sits on the northeast coast of Jeju, in Gujwa-eup, part of Jeju City. It is a fishing village on the coast road, not a resort or a gated area.

Straight-line distances below are my estimates from map coordinates. They are not road distances or travel times.

Beach basics

Access

Visit Jeju lists Gimnyeong Beach as a beach you can visit and says the opening period varies. It points readers to the local beach office for current information. I found no entrance fee on the listing, and I am not describing an all-year opening time for the whole beach.

Being able to walk on the sand is not the same as an official swimming operation. The rest of this section keeps the two apart.

Swimming and the beach season

Jeju's beaches have an official season set by the provincial government each year. For 2026, Jeju Sori reported that 12 beaches, Gimnyeong among them, opened together on June 24 and ran to September 6, with daily hours of 10:00 to 19:00.

That is a dated 2026 note, not a rule for other years. The 2026 season has ended, and I have not seen 2027 dates, so check the Jeju provincial announcement before you plan around swimming.

Outside the announced season I found no official statement about whether lifeguards or swimming rules apply here. I am not claiming any supervision then, and I would not treat the water as supervised. I am also not printing lifeguard numbers, because the reports I found disagree.

Korea Tourism Organization — Photo Korea

Water conditions and safety

I am not describing the water as shallow, calm or suitable for children, and I am not giving depth, currents, tides or wave height. Those change with the tide, wind, waves, weather and whether the beach is officially supervised, and a guide cannot tell you the state of the sea on your day.

Follow the flags, lifeguard instructions and posted notices. If the sea looks rough, stay out of it. Do not rely on any page, including this one, to tell you the water is safe.

Facilities

Visit Jeju lists a campground, a parking lot, restrooms, changing rooms and showers among the beach's facilities. I could not confirm which of these are public or private, which run only in the swimming season, or whether any have fees. I am not describing lockers, rinse stations or an accessible toilet, because I found no source for them.

If you plan to swim, bring a towel and a change of clothes in case a changing room is closed, and keep valuables in a bag or the car.

Parking

Visit Jeju lists parking at the beach. I could not confirm whether it is free or paid, how many spaces there are, or how it changes in summer. Older figures I came across were unofficial, so I am not repeating them.

Check current signage on arrival. Lots near the shore can fill in the swimming season, so allow time to find a space and do not block village lanes.

Camping

Visit Jeju lists a campground among the beach's facilities. I am not giving fees, reservation steps or rules on fires and cooking, and I am not recommending camping on the sand or at any informal spot.

If you want to camp, use the current notice from the campground itself. Rules for beaches and fire change, so do not rely on old blog advice.

What to do

The beach and the lava rock coast

The draw is the white sand against dark lava rock and the color of the sea. Visit Jeju describes the beach as sand that built up over a wide, flat expanse of lava rock, and its older listing puts the sand strip at roughly 200 m by 120 m.

Korea Tourism Organization — Photo Korea

A coast walk

Visit Jeju mentions a geological trail at the beach linked to the UNESCO Global Geopark, and wind turbines are visible from the shore. I did not walk the trail for this guide, so I am not giving a distance or a time.

For a short stroll, the sand and the shore are enough. Wear shoes you can walk on rock in, and keep away from the water edge when waves are rough.

Snorkeling

I found no official source that describes snorkeling at Gimnyeong, so I am not covering it, and I am not naming any snorkeling operator. Do not assume the beach suits snorkeling because other Jeju beaches do.

Windsurfing, surfing, kayaks and SUP

Visit Jeju mentions windsurfing, waterskiing and surfing in general terms. I could not confirm any current operator, price, schedule or rental, so the status of each is unclear and I am not recommending one.

I found no current source for kayaks or stand-up paddleboards here. If you want to try a water activity, ask the operator directly about conditions on the day, because wind and waves decide whether it runs.

How long to stay and when to go

These are my planning estimates, not official figures.

Seasons

Wind, waves and weather

The northeast coast is exposed, so the wind can feel strong even on a clear day. I am not giving a wind speed, wave height or tide time at which to skip the beach, because I could not source reliable thresholds.

Check the forecast and any sea warnings on the day. In summer, sun and heat matter too, so bring water and shade.

Families and accessibility

I am not describing the beach as suited to young children. Anyone with children should stay within arm's reach in the water and follow lifeguard guidance.

The Visit Jeju accessibility field reads "Very Difficult." I am not claiming step-free access to the sand or the facilities, so if you need level access, ask the local beach office before you go.

Getting there

By car

A rental car is the simplest way to reach Gimnyeong and to link it with other stops on the northeast coast. The Jeju car rental guide covers the basics for visitors.

I am not giving a drive time, because it depends on the day, the traffic and where you start.

From Jeju City

Jeju City and the airport are to the west, about 22 km and 25 km in a straight line. By road it is a drive along the northern coast, and I did not time it.

From Woljeongri

Woljeongri is about 3 km east in a straight line. I did not measure the road distance, so confirm the route in a map app.

Further east along the same coast, the Myeongjin Jeonbok guide covers an abalone restaurant about 9 km from the beach in a straight line.

From Seongsan

Seongsan Ilchulbong is about 20 km to the southeast in a straight line. Treat it as a separate stop linked by a drive.

By bus or taxi

Bus routes to this coast change often, and I did not verify any current route number or timetable. Check Visit Jeju's public transport page or a navigation app on the day, and plan a return option in case the bus does not suit your schedule.

A taxi is possible, but I do not give fares, since they depend on distance and traffic.

Nearby stops

Gimnyeong and Woljeongri

Woljeongri is the next beach east along the same coast, with a cafe road and a sea wall behind it. The Woljeongri guide covers it, and the two can share one coastal stop.

I am not saying either beach is quieter, cleaner, safer, cheaper or better for swimming, because I could not source that. Facilities and the beach season are set beach by beach, so check each one.

Gimnyeong and Manjanggul

Manjanggul Lava Tube is a separate site about 3 km east in a straight line. Its status is open: the province reopened it on May 30, 2026 after a closure that began after a rockfall in December 2023, and Visit Jeju lists it with visiting hours.

Visit Jeju also lists a monthly closed day and says visitors may explore only a section of the cave. Hours, closed days and fees change, so confirm them on the Visit Jeju Manjanggul page in the sources below before you build a day around it. I am not giving a time for the visit.

Gimnyeong and Hamdeok

Hamdeok is about 8 km west, on the Jeju City side. Jeju Sori reported it as the most visited Jeju beach in the 2025 season, which is a reason it tends to draw crowds. The Hamdeok Beach guide covers its swimming hours, parking and the Seoubong walk. For the choice between beaches, use the beach roundup.

Gimnyeong in an East Jeju plan

Gimnyeong sits north of the route in the East Jeju itinerary, so treat it as an extension of that plan and not a fixed stop in it. I would not make Udo, Seongsan, Seopjikoji, Woljeongri and Gimnyeong a default single day.

Udo needs a ferry with a fixed return, and the others each take real time, so a day that holds all five will be rushed. Pick two or three. See the Seongsan guide for the climb and the hours.

Gimnyeong compared with Woljeongri and Hamdeok

This comparison covers what I could and could not confirm. It is not a ranking.

Common mistakes

1. Treating Gimnyeong and Seongsegi as two beaches. They are one beach with two names.
2. Assuming you can swim year-round. Swimming is an official summer-season activity.
3. Using last year's season dates. They change each year.
4. Treating beach access as swimming supervision. Being able to walk on the sand is not the same as a staffed swimming area.
5. Assuming the water is shallow or calm. Conditions change with tide, wind and waves.
6. Using an old parking price. I did not confirm a fee, and old figures online may be wrong.
7. Assuming every listed facility runs all year. Seasonal operation is not confirmed.
8. Booking a water activity from an old blog. Operators and seasons change.
9. Camping informally. Use only the campground's current notice.
10. Underestimating the wind. The coast is exposed.
11. Treating Gimnyeong and Woljeongri as one beach. They are separate beaches with separate facilities.
12. Planning Manjanggul without checking its closed day. Confirm it on the official listing.
13. Packing Udo, Seongsan, Seopjikoji, Woljeongri and Gimnyeong into one day. It is rushed.

FAQ

Is Gimnyeong Beach the same as Gimnyeong Seongsegi Beach?

Yes. Visit Jeju lists Seongsegi as the alias of Gimnyeong Beach, so one beach carries both names.

Can you swim at Gimnyeong Beach?

In the official summer season, yes. In 2026 that ran June 24 to September 6, and other years need a check. Outside the season I found no official statement about supervision.

When is the Gimnyeong beach season?

I can only date it for 2026, when the province ran it from June 24 to September 6. Dates for other years are announced separately, so check the current announcement.

Are there lifeguards at Gimnyeong Beach?

I am not claiming any. Reports on the 2026 season described safety staff at the open beaches, but the figures disagree. For other years, or outside the season, I found no official statement.

Is the water at Gimnyeong shallow or safe for kids?

I am not making that claim. Conditions change with tide, wind and waves, so stay close to children and follow lifeguard and flag guidance.

Is Gimnyeong Beach free to enter?

I found no entrance fee on the Visit Jeju listing. Parking, rentals and the campground are separate, and I could not confirm their costs.

Is there parking at Gimnyeong Beach?

Visit Jeju lists parking. I could not confirm a fee or a space count, so check current signage on arrival.

Are there toilets, showers and changing rooms?

Visit Jeju lists restrooms, showers and changing rooms. I could not confirm which are public or whether they run outside the swimming season.

Are there lockers or an accessible toilet?

I found no source for either, so I am not claiming them.

Can you snorkel at Gimnyeong Beach?

I found no official source describing snorkeling here, so I am not covering it or recommending an operator.

Can I rent kayaks, SUP or surfboards at Gimnyeong?

Visit Jeju mentions surfing and other water sports in general. I could not confirm any current operator, so ask on arrival and do not rely on old reviews.

Can I camp at Gimnyeong Beach?

Visit Jeju lists a campground among the facilities. I am not giving fees, reservation steps or fire rules, and I do not recommend informal camping.

How long should I spend at Gimnyeong?

About 1 to 2 hours for a beach stop, and longer if you plan to swim. These are my estimates.

How far is Gimnyeong from Woljeongri?

About 3 km in a straight line, which is my estimate from map coordinates. It is not a drive time.

Is Gimnyeong better than Woljeongri or Hamdeok?

It depends on what you want, and I am not ranking them. The beach roundup handles the choice.

Can I visit Manjanggul on the same trip?

Manjanggul reopened on May 30, 2026 and is about 3 km east in a straight line. Check its hours and monthly closed day on Visit Jeju first.

How do I get to Gimnyeong from Jeju City?

By car along the northern coast, which I did not time. Bus routes change, so check Visit Jeju or a navigation app on the day.

Can I take the bus to Gimnyeong?

I did not verify current routes, so I am not giving numbers or times.

Is Gimnyeong worth it in winter?

For a short coastal look, yes. It is a cold and windy coast, so do not plan a beach day.

Is Gimnyeong wheelchair accessible?

I am not claiming it is. The Visit Jeju accessibility field reads "Very Difficult," so ask the local beach office before you go.

Can I do Gimnyeong, Woljeongri and Seongsan in one day?

It is tight. See the East Jeju itinerary and pick two or three stops.

What is the Gimnyeong beach opening time?

I am not giving an opening time for the whole beach, because Visit Jeju says the opening period varies. The 2026 swimming hours were 10:00 to 19:00 in the season.

The bottom line

Treat Gimnyeong as a white sand coast stop that becomes a swimming beach only in the official season. Check that year's dates, read the parking signs on arrival, and keep a layer for the wind.

Last verified on October 14, 2026

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